Mathematics, 27.08.2019 15:30, bbygxo226

Isobel and marnie volunteer at a daycare center isobel works 3 hours for every 2 hours marine works. if the two girls together work 20 hours on month, how many hours does isobel work?

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Isobel and marnie volunteer at a daycare center isobel works 3 hours for every 2 hours marine works....